NORM'S duck liver is a freeze-dried, single ingredient powder, perfect for using in place of fresh liver if your pet doesn't enjoy the texture, which is pretty common. The liver is a secreting organ that’s extremely nutritious and duck liver is not so easily sourced as common options like chicken or lamb. Some of the nutritional benefits of duck liver include: Contains double the vitamin B12 of chicken liver and up to ten times as much vitamin D Rich in protein, iron, zinc, selenium and vitamin A The perfect alternative for dogs and cats that don't like the texture of fresh liver, or have food sensitivities to more common proteins NORM's duck liver is raw, human grade and Australian. Freeze dried food is at least four times more concentrated than fresh because all of the water is removed. This 110g bag will provide around 40 serves for a small dog or cat, and 20 for a larger dog.